RNCollins
Well-Known Member
I'm putting together my light stand and right now it's being stored in the porch that is about 50F or 10C. Is that too cold for the T5 HO lights?
T5 Storage
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Chicago Chad
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certainly not. most of my plants grow at that temp all winter.
RNCollins
Well-Known Member
Thanks Chad. I read somewhere that the T5's are much more sensitive to temperature fluctuations than the old tubes.
naoki
Well-Known Member
Carol, maybe you are confusing the effect of temperature on the efficiency with the storage condition?
Efficiency (or you can think the amount of light output) of T5HO/NO can be lower when the operating temperature is low (or too high). T5 and T5HO tubes usually have a higher optimum operating temperature than T8, but both T5 and T5HO are sensitive to the temperature (so I wouldn't say T5 is more sensitive).
As a side note, LED is more efficient when temp. is lower.
But you are talking about storage, right? I don't think that the reasonable storage temperature influences anything.
Efficiency (or you can think the amount of light output) of T5HO/NO can be lower when the operating temperature is low (or too high). T5 and T5HO tubes usually have a higher optimum operating temperature than T8, but both T5 and T5HO are sensitive to the temperature (so I wouldn't say T5 is more sensitive).
As a side note, LED is more efficient when temp. is lower.
But you are talking about storage, right? I don't think that the reasonable storage temperature influences anything.
RNCollins
Well-Known Member
Hi Naoki,
I just don't want to damage the bulbs if it gets too cold... Where I am storing them It maybe dipping down to the high 40's tonight
I just don't want to damage the bulbs if it gets too cold... Where I am storing them It maybe dipping down to the high 40's tonight
A
ALToronto
Guest
You may want to warm them up before you turn them on. All fluorescents don't like operating in low temperature, and require more energy to reach full brightness. However, storage temperature is irrelevant, as long as it's not so low that glass becomes exceptionally brittle (below -30 or so).
When your growing area is at 10 degrees and the lights come on in the morning, you will notice that it takes about 2-3 minutes before the lights are fully bright. Once they warm up, however, they will work just fine.
When your growing area is at 10 degrees and the lights come on in the morning, you will notice that it takes about 2-3 minutes before the lights are fully bright. Once they warm up, however, they will work just fine.
RNCollins
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SlipperFan
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Nice stand. I like that you can adjust the height of the lights. Also, it looks like you could put another shelf in there... :evil:
